SIEMENS HED42M020 BRKR HED4 2P 480V 20A 50C Molded Case Circuit Breaker

The SIEMENS HED42M020 is a 2-pole molded case circuit breaker designed for use in electrical distribution systems requiring reliable protection and switching. Calibrated for 50°C application, this breaker is suitable for industrial and commercial electrical installations. It operates at 480V with a 20A rating and supports a frequency rating of 400 Hz, making it compatible with specialized power systems. This product is ideal for electrical distributors, lighting solutions providers, wire and cable integrators, and switchgear suppliers seeking durable and compliant circuit protection devices.

Specifications

• Manufacturer: Siemens
• Manufacturer Part #: HED42M020
• Frame: ED
• Number of Poles: 2
• Voltage Rating: 480V
• Current Rating: 20A
• Frequency Rating: 400 Hz
• Interrupt Rating: 42 KAIC
• Operating Temperature: 50¬∞C
• Dimensions (HxWxL): 6 in x 7 in x 3 in
• Product Weight: 2.5 lbs
• Application: Calibrated for 50¬∞C Application
• Actuator: Varying
• Enclosure: Varying
• UPC: 783643006966

Features

• Non-interchangeable trip unit design, factory assembled for compliance with UL 489 and CSA C22.2 No. 5 standards
• Suitable for use in individual enclosures, panelboards, switchboards, and approved equipment
• Thermal-magnetic trip unit providing reliable overcurrent protection
• Manual operation via handle with ON, OFF, and TRIP positions, including PUSH-TO-TRIP test button
• Mounting hardware and wire connectors available separately for flexible installation
• Compatible with 60¬∞C or 75¬∞C wire as per National Electric Code requirements
• Designed and tested to meet applicable UL and CSA standards for molded case circuit breakers

Downloads & Links

• Spec Sheet
• Spec Sheet